Grandstream HT-881

HT841/HT881
Analog FXO Gateway
The HT841/881 FXO gateway series enables businesses of all sizes to create an easy-to-deploy VoIP solution. These FXO gateways offer the ability to seamlessly connect multiple locations and all devices within an office to any hosted or on premise IP PBX network to make deployments as easy as possible.

Supports 3 SIP profiles through 1 FXS port and 4/8 FXO ports
High-performance NAT router
Lifeline support (FXS port will be hard-relayed to FXO port) in case of a power outage
3-way voice conferencing per port
Automated & secure provisioning options using TR069
Supports T.38 Fax for reliable Fax-over-IP
Failover SIP server automatically switches to secondary server if the main server loses connection
Strong AES encryption with security certificate per unit